rear brake drum harley BS90 constant research and development and

constant research and development and featuring a completely modern production facility

compatible with 12-volt DC systems

this one for 01-15 H-D models featuring the J1850 protocol

Complete with a custom flush-mount style gas cap

Matching Kellermann Atto DF Integral 3 in 1 taillight available here

rear brake drum harley BS90 constant research and development andChrome Rear Brake Drum for Harley Davidson Big Twin, 45" & Sportster models Reproduction style rear brake drum with pre installed sprocket. Chrome finish. Note: A common occurrence from day one is a noticeable tight spot rotating the drum. Adjust your chain on this 'tightest spot'. Always keep sufficient play to prevent excessive wear on chain and bearings of transmission mainshaft, swingarm and wheel.